Shortly after 1600 hours County Fire dispatched the Lebanon City Fire Department to 27 S. 2nd Street for a structure fire. First arriving units were met with heavy fire conditions in a 3 story, occupied, middle of the row, dwelling. Due to fire conditions and high heat command requested a full off-duty recall of city personnel and assistance from County mutual aid companies. The eventually gutted the top floors of the fire building and extended into the exposures. Several firefighters were treated for heat exhaustion. Companies brought the fire under control in about 2 hours and performed extensive overhaul.